Course
Plan
Legend
Terrain Type
Smooth Technical
Start
Full aid
Water
Crew
Drop bags
Cutoff
Finish
Controls
Units
Time Display
S
0.0 mi
Start at Canoe Creek
4.7 mi +640 ft-657 ft
1
4.7 mi
AS1 Flowing Spring Station
5.0 mi +223 ft-281 ft
2
9.7 mi
AS2 Williamsburg Station
Sat 4:45 PM
6.0 mi +321 ft-371 ft
3
15.7 mi
AS3 Etna Furnace
5.1 mi +390 ft-462 ft
4
20.8 mi
AS4 Alfarata
Sat 8:00 PM
7.0 mi +2,109 ft-890 ft
5
27.8 mi
AS5 Colerain
Sat 10:45 PM
8.7 mi +834 ft-1,192 ft
6
36.5 mi
AS6 Indian Steps
Sun 2:30 AM
6.3 mi +1,656 ft-1,174 ft
7
42.8 mi
Water Drop - Jo Hayes
8.1 mi +1,165 ft-810 ft
8
50.9 mi
AS7 Little Flat Tower
Sun 8:15 AM
3.4 mi +220 ft-279 ft
9
54.3 mi
Water Drop - Gettis Ridge
4.3 mi +225 ft-1,539 ft
10
58.6 mi
AS8 Alan Seegar
Sun 11:00 AM
4.6 mi +1,425 ft-1,460 ft
F
63.2 mi
Finish at Greenwood Furnace
Sun 1:00 PM
Distance: miles | Altitude: feet | Time: EDT
Official
Ironstone 100K [2025]
Course
63.2 mi +9,209 ft-9,114 ft
Event
July 12, 2025
Start
2:00 PM
Cutoff
23 hours
Course Profile
Course Map